Begin Window "frmMain"	title = "Calculator"	height = 218	width = 168	maxwidth = 500	maxheight = 500	frame = 1	visible = true	Begin Button "cmdAbout"            caption = "OK"            left = 12            top = 180            height = 24            width = 100            font = "Helvetica"            fontSize = 12            fontBold = 1            fontcolor = "000000"	End Button		End Windowevent sub buttonClick()	msgbox("Hello: " & self.title & "-" & me.caption)	self.cmdAbout.caption = "Jose"end subevent sub frmMain_open()	me.cmdAbout.eventhandler("click", getpointer(buttonClick) )	msgbox("Hello")end sub